oral glutathione skin lightening clinical study Brightening Treatments in Toronto Intravenous glutathione for skin lightening:
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[DOI] [PubMed] [Google Scholar] 39.Sedan Y, Marcu O, Lyskov S, Schueler-Furman O

2017 doi: 10.2174/1381612823666170220163219

doi: 10.1016/j.jfp.2023.100153

After correction for multiple testing, coumarin remained the most robustly altered metabolite, indicating a modest but statistically supported response to dietary intervention

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Improved sleep: Epitalon may influence the circadian rhythm and improve sleep quality, which is important for overall health and well-being
